To change the combination on your Master Lock safe, specifically the 5900D Portable Personal Safe model, follow these steps based on the reference provided:
- Enter your current combination. (This step is implied, as you need to access the safe's interior to change the combination).
- Locate the set lever. This lever is usually found on the inside of the safe's door.
- Engage the set lever.
- Move the dials to your desired new combination.
- Release the set lever. This locks in the new combination.
